#define  _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<vector>

using namespace std;

//按摩师，多状态dp

class Solution {
public:
    int massage(vector<int>& nums) {
        int n = nums.size();
        if (n == 0) return 0;

        vector<int> f(n);
        auto g = f;

        f[0] = nums[0];

        for (int i = 1; i < n; i++)
        {
            f[i] = g[i - 1] + nums[i];
            g[i] = max(f[i - 1], g[i - 1]);

        }

        return max(f[n - 1], g[n - 1]);

    }
};


int main()
{

	return 0;
}